microsandbox Releases

This release introduces outbound SOCKS4 and SOCKS5 proxy support with UDP and credential authentication. It also features significant documentation updates, standardizing TypeScript as the primary documentation language and reorganizing guides, along with CLI refactoring.

Sep 4, 2026

This release focuses on enhancing SDK functionality and improving system stability through various fixes. Key updates include better sandbox configuration, improved Go SDK integration, and fixes for network and filesystem management. New features such as convergent sandbox lifecycle APIs and config overlays have also been added.

Aug 29, 2026

This release focuses on Windows-specific performance optimizations and bug fixes, alongside documentation updates and filesystem improvements to prevent write probes on read-only mounts.

Aug 24, 2026

This release focuses on maintenance tasks, specifically updating the `msb_krun` dependency to version 0.1.32 and refreshing the npm lockfile.

Aug 22, 2026

This release focuses on dependency updates, introduces a new SDK feature for local backends, and resolves several CLI and image-related issues.

Aug 21, 2026

This release addresses a critical fix regarding the bundled `msb` executable mode and refreshes the project's dependency lockfile to ensure stability.

Aug 19, 2026

This release improves Linux compatibility by lowering the glibc baseline requirement and updates documentation to clarify Windows support.

Aug 19, 2026

This release focuses on improving Windows TTY support, enhancing runtime stability with better bind-mount handling, and adding new features like configurable SSH inactivity timeouts and a Ruby precompiled platform gem build pipeline. It also includes various network and CI improvements.

Aug 18, 2026

This release introduces significant runtime enhancements, including deployment profiles and flat OCI root disks, alongside improved SDK support for Go, Python, and Ruby. It focuses on network stability, system performance optimizations, and the addition of shell completion commands. Additionally, the update includes dependency upgrades and various documentation improvements.

Aug 15, 2026

This release focuses on SDK improvements, specifically unifying the cloud backend and paginated listings, alongside bug fixes for CLI connectivity and log management enhancements.

Jul 29, 2026

This release focuses on enhancing the sandboxing engine's robustness, specifically addressing Windows path handling and filesystem stability. It introduces CLI convenience commands, enhances snapshot performance with sparse tar support, and refines configuration structures to be more explicit.

Jul 25, 2026

Patch update bumping undici to version 7 and updating Node.js requirements to fix proxy and CA settings issues in Node 26+.

Jul 25, 2026

Improves agent query prompts to ensure agents request relevant library documentation instead of passing the task to complete.

Jul 25, 2026

Fixes GitHub CLI auth token reading and resolves setup failures by falling back to raw GitHub URLs when the docs API is blocked.

Jul 25, 2026

Improves agent query prompts to ensure agents request relevant library documentation instead of passing the task to complete.

Jul 25, 2026

This release addresses a Firefox-specific bug with bulk selection, updates core dependencies (goja) to fix regressions in pattern matching, and improves the performance of the expression filter.

Jul 22, 2026

A maintenance release backporting dependency updates from the main branch to ensure compatibility and bug fixes.

Jul 22, 2026

This release focuses on cleaning up the JavaScript Virtual Machine state, improving UI interactions, and updating SQLite and security dependencies.

Jul 19, 2026

A maintenance release backporting dependency updates (security and SQLite version) from the main branch.

Jul 19, 2026

Bumps the `jose` library from version 6.1.3 to 6.2.3.

Jul 17, 2026